Call measure function on leaf nodes even if the node does not have context #598
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Objective
Allow use of measure functions in cases where extra context information is not required.
Context
Notes
I believe this is a strict generalisation of functionality. If users want to return a zero size for cases where context is
None
they can do this within their measure function (and asnode_context
was already anOption<T>
they would have to have done this anyway with the existing API).